214k views
2 votes
That’s my question (the pic )

That’s my question (the pic )-example-1

2 Answers

4 votes

Answer:

I beilieve it is the fourth one.

Explanation:

User Avi Mosseri
by
8.7k points
5 votes

Answer:

exchange of gases

Explanation:

User Jassin
by
8.4k points

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